Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEYaWl8XXhGCfhH7BGmHkdKgtjmqp+E5qEs9UxEyGAjNVDdyZFVR5wr9BCQ… (844 chars)"
  }
}